11264909 has 4 divisors (see below), whose sum is σ = 11569404. Its totient is φ = 10960416.

The previous prime is 11264893. The next prime is 11264921. The reversal of 11264909 is 90946211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90946211 = 3413 ⋅26647.

It can be written as a sum of positive squares in 2 ways, for example, as 9517225 + 1747684 = 3085^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 11264909 - 2⁴ = 11264893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11264959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152192 + ... + 152265.

It is an arithmetic number, because the mean of its divisors is an integer number (2892351).

Almost surely, 2^11264909 is an apocalyptic number.

It is an amenable number.

11264909 is a deficient number, since it is larger than the sum of its proper divisors (304495).

11264909 is an equidigital number, since it uses as much as digits as its factorization.

11264909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304494.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 11264909 is about 3356.3237328959. The cubic root of 11264909 is about 224.1691762470.

The spelling of 11264909 in words is "eleven million, two hundred sixty-four thousand, nine hundred nine".